LG 55LH80YD-AB Service Manual page 45

A B
D3.3V_2
5V_HDMI_3
R1500
47K
BODY_SHIELD
OPT
R513 0
1 20
006:F6
HP_DET
19 R522
C501
5V 1K
0.1uF
18 16V OPT
OPT
GND
17
DDC_DATA JP502
R510 0
16
DDC_CLK JP503
R511 0
15
NC
006:C4;006:G6
14
CE_REMOTE
R509 0
13
CK- 006:B3;006:B5;006:D1;006:E1;006:H5
R590 0
12
CK_GND 006:G6
11
CK+ R585 0
10 006:G6
D0-
R591 0
9
D0_GND 006:G6
8
D0+ R586 0
7
D1- 006:G6
R587 0
6
D1_GND 006:G6
5
D1+ R592 0
4
2 D2- R588 006:G6
0
3
D2_GND
006:G6
2
D2+
R589 0
1
006:G6
JK502
GND
YKF45-7059V
HDMI_PORT3
D3.3V_2
5V_HDMI_2
R1503
47K
R514
GND BODY_SHIELD OPT
0
20
006:H5
HP_DET OPT
19 R1501
C502
5V 1K
0.1uF
18
16V OPT
GND
JP504
3 17
DDC_DATA R506 0
16 JP505
DDC_CLK 006:D3;006:H4
R507 0
15
NC 006:D3;006:H4
14
CE_REMOTE R508 0
13
006:B1;006:B5;006:D1;006:E1;006:H5
CK- 0
R569
12
CK_GND 006:H4
11
CK+ R570 0
10 006:H4
D0- 0
R571
9
006:H4
D0_GND
8
D0+ R572 0
7
006:H4
D1- R573 0
6
006:H4
D1_GND
5
D1+ R574 0
4
006:H4
D2- R575 0
3
006:H4
D2_GND
2
D2+ 0
R576
1
006:H4
4
JK501
YKF45-7059V
HDMI_PORT2
GND
D3.3V_2
5V_HDMI_4
R1507
47K OPT
R519 0
GND
HPD4
006:G3
R521
20
1K
OPT
HP_DET
OPT
19 R1506
1K
5V
18
C505
GND
0.1uF
17
16V OPT
JP506
DDC_DATA R524 0
16
R523 0 JP507 006:D4;006:G3
DDC_CLK
15
006:D4;006:G3
NC
14
CE_REMOTE R525 0
5
13
0 006:B1;006:B3;006:D1;006:E1;006:H5
CK- R594
12
006:G3
CK_GND
11
0
CK+ R593
10
0 006:G3
D0- R595
9
006:G3
D0_GND
8
0
D0+ R596
7
0 006:G3
D1- R597
6
006:G3
D1_GND
5
0
D1+ R598
4
0 006:G3
D2- R599
3
006:G3
D2_GND
2
0
D2+ R526
1
006:G3
JK503
HDMI_PORT4
YKF45-7059V GND
6
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C
5V_HDMI_1
GND
HPD3
20
HP_DET OPT
19 R1504
C500
5V 1K
0.1uF
18
16V OPT
GND
17
DDC_DATA R503 0
DDC_SDA_3
16
006:C4;006:G6 DDC_CLK
R504 0
DDC_SCL_3
15
NC
14
CE_REMOTE R505
0
CEC_REMOTE
13
CK- R577 0
CK-_HDMI3
12
CK_GND
11
R579
CK+ 0
CK+_HDMI3
10
D0- R580 0
D0-_HDMI3
9
D0_GND
8
D0+ R581 0
D0+_HDMI3
7
D1- R578 0
D1-_HDMI3
6
D1_GND
5
R582
D1+ 0
D1+_HDMI3
4
R583
D2- 0
D2-_HDMI3
3
D2_GND
2
R584
D2+ 0
D2+_HDMI3
1
JK500
GND
KJA-ET-0-0032
FRONT_HDMI_PORT1
HPD2 5V_HDMI_2
5V_HDMI_1
R533 R545
DDC_SDA_2
R535
R534 R546
DDC_SCL_2
47K 47K 47K
DDC_SDA_1
CEC_REMOTE
DDC_SCL_1
CK-_HDMI2
CK+_HDMI2
5V_HDMI_4
D0-_HDMI2 5V_HDMI_3
D0+_HDMI2
R536
R558
D1-_HDMI2
D1+_HDMI2
R538
R537
47K R559
D2-_HDMI2
47K
47K
DDC_SDA_3
D2+_HDMI2
DDC_SCL_3
EDID Pull-up
DDC_SDA_4
DDC_SCL_4
CEC_REMOTE
CK-_HDMI4
CK+_HDMI4
D0-_HDMI4
D0+_HDMI4
D1-_HDMI4
D1+_HDMI4
D2-_HDMI4
D2+_HDMI4
VARISTORS(VR500/501/502/503/504/505/506/507) on lines-HPD1/2/3/4 are all options
in case HDMI Switch doesn't support 'ESD protection'
FLOODONE
D E
* HDMI CEC
D3.3V_2
R1505
R512
47K
0 006:F4
OPT
HPD1
JP500
0 R520
CEC_REMOTE
DDC_SDA_1
JP501
006:B1;006:B3;006:B5;006:D1;006:H5
006:C3;006:E4
DDC_SCL_1
006:C3;006:E4
CEC_REMOTE
006:B1;006:B3;006:B5;006:E1;006:H5
CK-_HDMI1
006:F4
CK+_HDMI1
006:F4
GND
D0-_HDMI1
006:F4
D0+_HDMI1
006:F4
D1-_HDMI1
006:F5
D1+_HDMI1
006:F5
D2-_HDMI1
006:F5
D2+_HDMI1
006:F5
D3.3V_HDMI
R547
47K
DDC_SDA_2
DDC_SCL_2
R561
47K
DDC_SDA_4
DDC_SCL_4
HPD1
DDC_SDA_1
DDC_SCL_1
CK-_HDMI1
CK+_HDMI1
D0-_HDMI1
D0+_HDMI1
D1-_HDMI1
D1+_HDMI1
D2-_HDMI1
D2+_HDMI1
P5.0V_ST
For Only TDA9996 ES3
D1.8V_HDMI
F G
D3.3V_2
68K R528
IC501
SSM6N15FU
DRAIN1 SOURCE1 HDMI_CEC_RX
6 1
003:C3
GATE2 GATE1
5 2
SOURCE2 DRAIN2
4 3
C503
0.1uF
16V
0 R527
GND
OPT
D3.3V_HDMI
R544
0
P5.0V_ST
R542 2K
R541 2K
VSS_1
1
5V_HDMI_1
OUT_C+
2
OUT_C-
3
VDDO[3V3]
4
OUT_DDC_CLK
5
C509
OUT_DDC_DAT
0.1uF 6
VSS_2
16V 7
VDDC[1V8]_1
IC502
8
RXA_HPD
9
RXA_5V
10 TDA9996HL
RXA_DDC_DAT
11
RXA_DDC_CLK
12
RXA_C-
13
RXA_C+
14
VDDH[3V3]_1
15
RXA_D0-
16
RXA_D0+
17
VSS_3
18
RXA_D1-
19
RXA_D1+
20
VDDH[3V3]_2
21
RXA_D2-
22
RXA_D2+
23
VDDH[1V8]_1
24
NC
25
0
R543
C507
0.1uF
C508
C506 C510
0.1uF 0.1uF 0.1uF
16V
16V 16V
5V_HDMI_3
C512
0.1uF
16V
Net Labels changed for HDMI3
H
D1.8V_HDMI D3.3V_HDMI
D1.8V_1 D3.3V_2
L500 L501
CB3216PA501E BLM18PG121SN1D
C530 C504
0.1uF 0.1uF
C525 0.1uF
C526 0.1uF
C527
0.1uF
C528
0.1uF
5V_HDMI_4
C518
0.1uF
16V
D1.8V_HDMI
C529
C524
C522
0.1uF
0.1uF
0.1uF
16V
16V 16V
5V_HDMI_2
VDDH[1V8]_2
75
R556 C523
R12K
74 0.1uF
VSS_9 12K
73 16V
RXC_D2+
72 D2+_HDMI2
RXC_D2-
71
D2-_HDMI2
VDDH[3V3]_6
70
RXC_D1+
69
D1+_HDMI2
RXC_D1-
68 D1-_HDMI2
VSS_8
67
RXC_D0+
66
D0+_HDMI2
RXC_D0-
65
D0-_HDMI2
VDDH[3V3]_5
64
RXC_C+
63
CK+_HDMI2
RXC_C-
62
CK-_HDMI2
RXC_DDC_CLK
61
DDC_SCL_2
RXC_DDCC_DAT
60
DDC_SDA_2
RXC_5V
59
RXC_HPD
58
HPD2
CEC R557
57
CEC_REMOTE
VSS_7 0
56
VDDS[3V3]
55
CDEC_STBY
54 Net Labels changed for HDMI2
INT/HP_CTRL R560 0
53
XTAL_OUT
52 OPT
XTAL_IN
51
0
R555
OPT
C519 C520
0.1uF 0.1uF
16V 16V
D3.3V_HDMI
R552 4.7K
OPT
R553
R549
OPT
R554
OPT
HDMI S/W 4:1
JUNO-BOX 090209
HDMI RX 6 10
LGE Internal Use Only